The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS that provides filesystem-level encryption. The technology enables files to be transparently encrypted to protect confidential data from attackers with physical access to the computer.
EFS is available in all versions of Windows developed for business environments from Windows 2000 onwards. By default, no files are encrypted, but encryption can be enabled by users on a per-file, per-directory, or per-drive basis. Some EFS settings can also be mandated via Group Policy in Windows domain environments.
Cryptographic file system implementations for other operating systems are available, but the Microsoft EFS is not compatible with any of them. See also the list of cryptographic file systems.
Other articles related to "encrypting file system, files, system, file system, encrypting, file":
... depending on the version of Windows in use when the files are encrypted Operating system Default algorithm Other algorithms Windows 2000 DESX (none) Windows XP RTM DESX Triple DES Windows XP SP1 AES Triple ...
... The Encrypting File System (EFS) introduced strong file system-level encryption to Windows ... EFS works together with the EFS service, Microsoft's CryptoAPI and the EFS File System Runtime Library (FSRTL) ... EFS works by encrypting a file with a bulk symmetric key (also known as the File Encryption Key, or FEK), which is used because it takes less time to encrypt and ...
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